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Document Type and Number:
Japanese Patent JPH0356424
Kind Code:
B2
Abstract:
A composition comprising a 9-fluorenone-2-diazonium salt, an acid or acidic salt which is solid at normal temperatures, and if necessary an anionic surface active agent can produce a vivid red color instantly by reacting with urobilinogen without interfered with bilirubin.

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Application Number:
JP19312783A
Publication Date:
August 28, 1991
Filing Date:
October 15, 1983
Export Citation:
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International Classes:
G01N33/50; C07C67/00; C07C241/00; C07C245/20; G01N31/22; G01N33/72



 
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